Kann Ultra
KANN ULTRA is a portable Android-based digital audio player from Astell&Kern with dual ES9039MPRO DACs and headphone output up to 16Vrms balanced. It is aimed at listeners who need to drive demanding headphones and IEMs, or feed external amps, from a single portable device.
- Dual ES9039MPRO DACs with octa-core processor
- Up to 16Vrms balanced headphone output, four gain presets
- Triple Output: headphone, pre-out and line-out
- PCM up to 32bit/768kHz and native DSD512
- 5.5-inch Full HD touchscreen, 128GB storage plus microSD
- 8,400mAh battery, about 11 hours playback
Fotky
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Prodat stejnýPopis
KANN ULTRA is the fifth player in the KANN series and the most powerful in the Astell&Kern range. It uses two ESS ES9039MPRO DAC chips and an octa-core processor, and plays PCM up to 32bit/768kHz and native DSD512. Four gain presets on the headphone output reach 8Vrms unbalanced and 16Vrms balanced with no load.
The player has a Triple Output design: a headphone output, a pre-out and a line-out. The headphone amplifier is separate from the circuit behind the shared Pre/Line Out port. In Pre-Out mode the volume wheel controls the level. In Line Out mode the DAC signal is sent directly with a fixed level and no volume control. Sound can be shaped with seven DAC filters, Digital Audio Remaster upsampling, Crossfeed and ReplayGain.
The aluminum body has a 5.5-inch Full HD touchscreen, 128GB of built-in memory and a microSD slot. It connects over Wi-Fi and Bluetooth 5.3 (aptX HD, LDAC, LHDC), with USB-C for charging and for use with a computer. AK File Drop handles wireless file transfer, and Roon Ready and Roon ARC are supported. Firmware updates are delivered over the air.
Video
Specifikace
- Značka
- Astell&Kern
- Model
- Kann Ultra
- Kategorie
- Hi-Fi a domácí audio › Přehrávače
Audio
- DAC
- ES9039MPRO x2
- Decoding
- Up to 32bit/768kHz Bit-to-Bit Playback
- PCM sample rate
- 8kHz ~ 768kHz (8/16/24/32bits per Sample)
- DSD (native)
- DSD64, DSD128, DSD256, DSD512 (Stereo)
- Supported audio formats
- WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
- DAC filters
- 7
Outputs
- Headphone out connectors
- 3.5mm (Unbalanced Out, Optical Out), 4.4mm (Balanced Out, only 5-pole supported)
- Pre/Line out connectors
- 3.5mm (Unbalanced Out), 4.4mm (Balanced Out, only 5-pole supported)
- Headphone out level (Low Gain)
- Unbalanced 2Vrms | Balanced 4Vrms (no load)
- Headphone out level (Mid Gain)
- Unbalanced 4Vrms | Balanced 8Vrms (no load)
- Headphone out level (High Gain)
- Unbalanced 6Vrms | Balanced 12Vrms (no load)
- Headphone out level (Super Gain)
- Unbalanced 8Vrms | Balanced 16Vrms (no load)
- Pre/Line out level
- Unbalanced 2Vrms | Balanced 4Vrms (no load)
- Output impedance, headphone out
- Unbalanced 1ohm | Balanced 1.3ohm
Audio performance
- S/N, headphone out
- 115dB @ 1kHz Unbalanced | 119dB @ 1kHz Balanced
- Crosstalk, headphone out
- 134dB @ 1kHz Unbalanced | 140dB @ 1kHz Balanced
- THD+N, headphone out
- 0.0004% @ 1kHz Unbalanced | 0.0004% @ 1kHz Balanced
- Frequency response, headphone out
- ±0.006dB Unbalanced | ±0.004dB Balanced (20Hz~20kHz)
- Clock jitter
- 25pS (Typ)
Connectivity
- USB
- USB Type-C input (for charging & PC & MAC)
- Wi-Fi
- 802.11 a/b/g/n/ac (2.4/5GHz)
- Bluetooth
- V5.3 (A2DP, AVRCP, aptX-HD, LDAC, LHDC)
Storage
- Built-in memory
- 128GB [NAND]
- External memory
- microSD x1 (Max. 1TB)
Power
- Battery
- 8,400mAh 3.8V Li-Polymer
- Charge time
- about 3.5hours (PD 3.0 Charger)
- Playback time
- about 11hours (FLAC, 16bit, 44.1kHz, Vol.50, LCD Off, Low Gain)
Physical
- Display
- 5.5inch HD 1080 x 1920 touch screen
- Body material
- Aluminum
- Body color
- Astro Gray
- Dimensions (WxHxD)
- 82.4mm x 141.1mm x 24.4mm
- Weight
- About 390g
- Operating temperature
- 0℃ ~ +40℃
Software
- CPU
- Octa-core
- Firmware update
- OTA supported
- Supported OS (PC connection)
- Windows 8, 10, 11 (32/64bit), MAC OS X 10.7